| 0 ≤ i0 ∧ 2 ^ i0 ≤ j ∧ j < 2 ^ (i0 + 1), 0 < j, 0 ≤ i, j < 2 ^ (i0 + 1), 2 ^ i0 ≤ j, i→n(i0 + 2) ≤ i→n(i) + 1, 2 ^ i ≤ j, 1 < 2 ^ (i0 + 1), i ≤ i0, 0 ≤ i0, 0 < 2 ^ (i0 + 1), 0 ≤ 2 ^ (i0 + 1) ⊦ 0 = j |
0 ≤ 2 ^ (i0 + 1), 0 < 2 ^ (i0 + 1), 0 ≤ i0, i ≤ i0, 1 < 2 ^ (i0 + 1), 2 ^ i ≤ j, i→n(i0 + 2) ≤ i→n(i) + 1, 2 ^ i0 ≤ j, j < 2 ^ (i0 + 1), 0 ≤ i, 0 < j ⊦ 0 = j